document.write( "Question 247525: Julie leaves home travelling at 45 mph. An hour later, her mom follows at 60 mph. How long will it take her mom to catch up to Julie? \n" ); document.write( "
Algebra.Com's Answer #180578 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=45T FOR JULIE \n" ); document.write( "D=60(T-1) FOR MOM. \n" ); document.write( "45T=60(T-1) \n" ); document.write( "45T=60T-60 \n" ); document.write( "45T-60T=-60 \n" ); document.write( "-15T=-60 \n" ); document.write( "T=-60/-15 \n" ); document.write( "T=4 HOURS AFTER JULIE LEAVES MOM WILL OVERTAKE HER. \n" ); document.write( "PROOF: \n" ); document.write( "45*4=60(4-1) \n" ); document.write( "180=60*3 \n" ); document.write( "180=180 \n" ); document.write( " |